Nucleic Acids & Protein Synthesis Practice Quiz

1. What sugar does DNA contain?
a. ribose
b. glucose
c. deoxyribose

2. What sugar does RNA contain?
a. ribose
b. glucose
c. deoxyribose

3. What is the enzyme that pulls DNA strands apart during replication?
a. DNA polymerase
b. helicase
c. RNA polymerase

4. What is the fuction of mRNA?

5. What are the two phases of protein synthesis?
6. What is the mRNA strand that would go with the following in transcription? ATG CGA TTC AGC

7. What are the three types of mutations?
8. Can mutations effect any living organisms?
a. yes
b. no
c. maybe
d. i don't care

9. What kind of effects can mutations have?
a. positive
b. negative
c. no effect
d. all of the above

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Answer Key

1. c
2. b
3. b
4. It carries copies of intructions for the assembly of amino acids into proteins from DNA to the rest of the cell
5. Transcription and translation
6. UTC GCU UCG
7. Substitution, insertion, deletion
8. a, and quite possibly, d.
9. d